<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册页面</title>
</head>
<body>
    <div class="page-countainer">
        <div class="form-countainer">
            <form action=""method="get">
                <div class="form-group">
                    <label for="phone">手机号</label>
                    <input name="phone"
                    type="tel"
                    id="phone"
                    pattern="^1[3-9]\d{9}$"
                    autocomplete="off"autofocus
                    title="请输入正确手机号"
                    placeholder="请输入手机号">
                </div>
                <button type="submit"></button>
             </form>
        </div>
    </div>
   
</body>
</html>